16716670 has 16 divisors (see below), whose sum is σ = 30151440. Its totient is φ = 6673024.

The previous prime is 16716659. The next prime is 16716671. The reversal of 16716670 is 7661761.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4521 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (1884465).

Almost surely, 2^16716670 is an apocalyptic number.

16716670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16716670 is a deficient number, since it is larger than the sum of its proper divisors (13434770).

16716670 is a wasteful number, since it uses less digits than its factorization.

16716670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16716670 is about 4088.6024507159. The cubic root of 16716670 is about 255.6916759255.

The spelling of 16716670 in words is "sixteen million, seven hundred sixteen thousand, six hundred seventy".